diff --git a/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs b/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs
index dae56a379..05824727f 100644
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10Loaded.cs
@@ -88,7 +88,11 @@ namespace UniVRM10.VRM10Viewer
             GameObject.Destroy(m_instance.gameObject);
         }
 
-        public void UpdatePose(bool useBvh, Animator bvhAnimator)
+        /// <summary>
+        /// from v0.103
+        /// </summary>
+        /// <param name="src"></param>
+        public void UpdateControlRigExplicit(Animator src)
         {
             var controlRig = m_controller.Runtime.ControlRig;
 
@@ -105,25 +109,60 @@ namespace UniVRM10.VRM10Viewer
                     continue;
                 }
 
-                if (useBvh && bvhAnimator != null)
+                var bvhBone = src.GetBoneTransform(bone);
+                if (bvhBone != null)
                 {
-                    var bvhBone = bvhAnimator.GetBoneTransform(bone);
-                    if (bvhBone != null)
-                    {
-                        // set normalized pose
-                        controlRigBone.localRotation = bvhBone.localRotation;
-                    }
-
-                    if (bone == HumanBodyBones.Hips)
-                    {
-                        controlRigBone.localPosition = bvhBone.localPosition * controlRig.InitialHipsHeight;
-                    }
+                    // set normalized pose
+                    controlRigBone.localRotation = bvhBone.localRotation;
                 }
-                else
+
+                if (bone == HumanBodyBones.Hips)
                 {
-                    controlRig.EnforceTPose();
+                    controlRigBone.localPosition = bvhBone.localPosition * controlRig.InitialHipsHeight;
                 }
             }
         }
+
+        /// <summary>
+        /// from v0.104
+        /// </summary>
+        /// <param name="src"></param>
+        public void UpdateControlRigImplicit(Animator src)
+        {
+            var dst = m_controller.GetComponent<Animator>();
+
+            foreach (HumanBodyBones bone in CachedEnum.GetValues<HumanBodyBones>())
+            {
+                if (bone == HumanBodyBones.LastBone)
+                {
+                    continue;
+                }
+
+                var boneTransform = dst.GetBoneTransform(bone);
+                if (boneTransform == null)
+                {
+                    continue;
+                }
+
+                var bvhBone = src.GetBoneTransform(bone);
+                if (bvhBone != null)
+                {
+                    // set normalized pose
+                    boneTransform.localRotation = bvhBone.localRotation;
+                }
+
+                if (bone == HumanBodyBones.Hips)
+                {
+                    // TODO: hips position scaling ?
+                    boneTransform.localPosition = bvhBone.localPosition;
+                }
+            }
+        }
+
+        public void TPoseControlRig()
+        {
+            var controlRig = m_controller.Runtime.ControlRig;
+            controlRig.EnforceTPose();
+        }
     }
-}
\ No newline at end of file
+}
diff --git a/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs b/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
index d56a40a21..6bc7142c1 100644
--- a/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
+++ b/Assets/VRM10_Samples/VRM10Viewer/VRM10ViewerUI.cs
@@ -250,7 +250,14 @@ namespace UniVRM10.VRM10Viewer
 
             if (m_loaded != null)
             {
-                m_loaded.UpdatePose(m_ui.IsBvhEnabled, m_src);
+                if (m_ui.IsBvhEnabled && m_src != null)
+                {
+                    m_loaded.UpdateControlRigImplicit(m_src);
+                }
+                else
+                {
+                    m_loaded.TPoseControlRig();
+                }
             }
         }